<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://www.thymeleaf.org ">
<head>
    <meta charset="UTF-8">
    <title>出现错误</title>
</head>
<body>
<span th:text="${msg}">error</span>
</body>
</html>